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https://rfshooters.com/blog/wp-content/uploads/2026/01/canon-r5ii-memory-cards-1200px-1.jpg1200630We test over 60 memory cards in the 45-megapixel full-frame Canon R5 II, measuring real-world in-camera performance versus the maximum write speeds found on most card labels. But first, just in case you are unaware, the Canon R5 Mark II features two memory card slots. Slot 1 is compatible with CFexpress Type B (2.0 & 4.0) cards …